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authorDavid Howells <dhowells@redhat.com>2006-12-05 17:01:28 +0000
committerDavid Howells <dhowells@warthog.cambridge.redhat.com>2006-12-05 17:01:28 +0000
commit9db73724453a9350e1c22dbe732d427e2939a5c9 (patch)
tree15e3ead6413ae97398a54292acc199bee0864d42 /fs/ocfs2/journal.h
parent4c1ac1b49122b805adfa4efc620592f68dccf5db (diff)
parente62438630ca37539c8cc1553710bbfaa3cf960a7 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/ata/libata-scsi.c include/linux/libata.h Futher merge of Linus's head and compilation fixups. Signed-Off-By: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/ocfs2/journal.h')
-rw-r--r--fs/ocfs2/journal.h78
1 files changed, 11 insertions, 67 deletions
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index 5be161a4ad9..899112ad813 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -37,7 +37,6 @@ enum ocfs2_journal_state {
struct ocfs2_super;
struct ocfs2_dinode;
-struct ocfs2_journal_handle;
struct ocfs2_journal {
enum ocfs2_journal_state j_state; /* Journals current state */
@@ -133,44 +132,6 @@ static inline void ocfs2_inode_set_new(struct ocfs2_super *osb,
spin_unlock(&trans_inc_lock);
}
-extern kmem_cache_t *ocfs2_lock_cache;
-
-struct ocfs2_journal_lock {
- struct inode *jl_inode;
- struct list_head jl_lock_list;
-};
-
-struct ocfs2_journal_handle {
- handle_t *k_handle; /* kernel handle. */
- struct ocfs2_journal *journal;
- u32 flags; /* see flags below. */
- int max_buffs; /* Buffs reserved by this handle */
-
- /* The following two fields are for ocfs2_handle_add_lock */
- int num_locks;
- struct list_head locks; /* A bunch of locks to
- * release on commit. This
- * should be a list_head */
-
- struct list_head inode_list;
-};
-
-#define OCFS2_HANDLE_STARTED 1
-/* should we sync-commit this handle? */
-#define OCFS2_HANDLE_SYNC 2
-static inline int ocfs2_handle_started(struct ocfs2_journal_handle *handle)
-{
- return handle->flags & OCFS2_HANDLE_STARTED;
-}
-
-static inline void ocfs2_handle_set_sync(struct ocfs2_journal_handle *handle, int sync)
-{
- if (sync)
- handle->flags |= OCFS2_HANDLE_SYNC;
- else
- handle->flags &= ~OCFS2_HANDLE_SYNC;
-}
-
/* Exported only for the journal struct init code in super.c. Do not call. */
void ocfs2_complete_recovery(struct work_struct *work);
@@ -231,15 +192,14 @@ static inline void ocfs2_checkpoint_inode(struct inode *inode)
* Transaction Handling:
* Manage the lifetime of a transaction handle.
*
- * ocfs2_alloc_handle - Only allocate a handle so we can start putting
- * cluster locks on it. To actually change blocks,
- * call ocfs2_start_trans with the handle returned
- * from this function. You may call ocfs2_commit_trans
- * at any time in the lifetime of a handle.
* ocfs2_start_trans - Begin a transaction. Give it an upper estimate of
* the number of blocks that will be changed during
* this handle.
- * ocfs2_commit_trans - Complete a handle.
+ * ocfs2_commit_trans - Complete a handle. It might return -EIO if
+ * the journal was aborted. The majority of paths don't
+ * check the return value as an error there comes too
+ * late to do anything (and will be picked up in a
+ * later transaction).
* ocfs2_extend_trans - Extend a handle by nblocks credits. This may
* commit the handle to disk in the process, but will
* not release any locks taken during the transaction.
@@ -249,24 +209,16 @@ static inline void ocfs2_checkpoint_inode(struct inode *inode)
* ocfs2_journal_dirty - Mark a journalled buffer as having dirty data.
* ocfs2_journal_dirty_data - Indicate that a data buffer should go out before
* the current handle commits.
- * ocfs2_handle_add_lock - Sometimes we need to delay lock release
- * until after a transaction has been completed. Use
- * ocfs2_handle_add_lock to indicate that a lock needs
- * to be released at the end of that handle. Locks
- * will be released in the order that they are added.
- * ocfs2_handle_add_inode - Add a locked inode to a transaction.
*/
/* You must always start_trans with a number of buffs > 0, but it's
* perfectly legal to go through an entire transaction without having
* dirtied any buffers. */
-struct ocfs2_journal_handle *ocfs2_alloc_handle(struct ocfs2_super *osb);
-struct ocfs2_journal_handle *ocfs2_start_trans(struct ocfs2_super *osb,
- struct ocfs2_journal_handle *handle,
+handle_t *ocfs2_start_trans(struct ocfs2_super *osb,
int max_buffs);
-void ocfs2_commit_trans(struct ocfs2_journal_handle *handle);
-int ocfs2_extend_trans(struct ocfs2_journal_handle *handle,
- int nblocks);
+int ocfs2_commit_trans(struct ocfs2_super *osb,
+ handle_t *handle);
+int ocfs2_extend_trans(handle_t *handle, int nblocks);
/*
* Create access is for when we get a newly created buffer and we're
@@ -283,7 +235,7 @@ int ocfs2_extend_trans(struct ocfs2_journal_handle *handle,
#define OCFS2_JOURNAL_ACCESS_WRITE 1
#define OCFS2_JOURNAL_ACCESS_UNDO 2
-int ocfs2_journal_access(struct ocfs2_journal_handle *handle,
+int ocfs2_journal_access(handle_t *handle,
struct inode *inode,
struct buffer_head *bh,
int type);
@@ -306,18 +258,10 @@ int ocfs2_journal_access(struct ocfs2_journal_handle *handle,
* <modify the bh>
* ocfs2_journal_dirty(handle, bh);
*/
-int ocfs2_journal_dirty(struct ocfs2_journal_handle *handle,
+int ocfs2_journal_dirty(handle_t *handle,
struct buffer_head *bh);
int ocfs2_journal_dirty_data(handle_t *handle,
struct buffer_head *bh);
-int ocfs2_handle_add_lock(struct ocfs2_journal_handle *handle,
- struct inode *inode);
-/*
- * Use this to protect from other processes reading buffer state while
- * it's in flight.
- */
-void ocfs2_handle_add_inode(struct ocfs2_journal_handle *handle,
- struct inode *inode);
/*
* Credit Macros: